205225554240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:404

約数の個数: 1008

約数和(自身を含む): 861601373568

約数和(自身を除く): 656375819328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 163, 168, 171, 173, 180, 190, 192, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 320, 326, 336, 342, 346, 360, 361, 380, 399, 420, 448, 456, 480, 489, 504, 519, 532, 560, 570, 576, 608, 630, 652, 665, 672, 684, 692, 720, 722, 760, 798, 815, 840, 855, 865, 912, 960, 978, 1008, 1038, 1064, 1083, 1120, 1140, 1141, 1197, 1211, 1216, 1260, 1304, 1330, 1344, 1368, 1384, 1440, 1444, 1467, 1520, 1557, 1596, 1630, 1680, 1710, 1730, 1805, 1824, 1956, 1995, 2016, 2076, 2128, 2166, 2240, 2280, 2282, 2394, 2422, 2445, 2520, 2527, 2595, 2608, 2660, 2736, 2768, 2880, 2888, 2934, 3040, 3097, 3114, 3192, 3249, 3260, 3287, 3360, 3420, 3423, 3460, 3610, 3633, 3648, 3912, 3990, 4032, 4152, 4256, 4332, 4560, 4564, 4788, 4844, 4890, 5040, 5054, 5190, 5216, 5320, 5415, 5472, 5536, 5705, 5776, 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約数ペア:

[(1, 205225554240), (2, 102612777120), (3, 68408518080), (4, 51306388560), (5, 41045110848), (6, 34204259040), (7, 29317936320), (8, 25653194280), (9, 22802839360), (10, 20522555424), (12, 17102129520), (14, 14658968160), (15, 13681703616), (16, 12826597140), (18, 11401419680), (19, 10801344960), (20, 10261277712), (21, 9772645440), (24, 8551064760), (28, 7329484080), (30, 6840851808), (32, 6413298570), (35, 5863587264), (36, 5700709840), (38, 5400672480), (40, 5130638856), (42, 4886322720), (45, 4560567872), (48, 4275532380), (56, 3664742040), (57, 3600448320), (60, 3420425904), (63, 3257548480), (64, 3206649285), (70, 2931793632), (72, 2850354920), (76, 2700336240), (80, 2565319428), (84, 2443161360), (90, 2280283936), (95, 2160268992), (96, 2137766190), (105, 1954529088), (112, 1832371020), (114, 1800224160), (120, 1710212952), (126, 1628774240), (133, 1543049280), (140, 1465896816), (144, 1425177460), (152, 1350168120), (160, 1282659714), (163, 1259052480), (168, 1221580680), (171, 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(387520, 529587), (390222, 525920), (394440, 520296), (394786, 519840), (404320, 507582), (410760, 499624), (411901, 498240), (414162, 495520), (422985, 485184), (433580, 473328), (435960, 470744), (437171, 469440), (445968, 460180), (451184, 454860)]